Guayusa

At a Glance

Common name

Guayusa

Scientific name

Ilex guayusa

Family

Aquifoliaceae

Region

South America

Plant part

Leaves

Caffeine

Caffeinated (high)

Evidence

Insufficient

Safety review

Safety information on file

Botanical Description

An evergreen holly tree of the Amazon with large glossy oval serrated leaves and small white clustered flowers; the dried leaves are prepared as a traditional caffeinated Amazonian infusion, richer and less bitter than mate.

Also known as: Wayusa, Holly Leaf

Historical Background

Guayusa has been a sacred dawn tea of the Kichwa peoples of the Ecuadorian Amazon for centuries, shared around morning fires to sharpen focus, share dreams, and build community. Its smooth, naturally sweet, high-caffeine leaves make it a gentler cousin to yerba mate.

Earliest recorded uses: Indigenous Kichwa (Quechua) Amazonian traditions for centuries; a sacred dawn ritual tea.

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Flavor & Aroma

Aroma: Smooth, slightly sweet, earthy, grassy

Tea Preparation

Modern Evidence

Guayusa is a traditional high-caffeine Amazonian stimulant tea rich in antioxidants. Clinical evidence is insufficient; it is not a treatment for fatigue, obesity, or any disease; moderate intake is advised given caffeine content.

Evidence levels describe the state of research for the traditional use discussed here, not a recommendation. Historical use does not imply effectiveness.